Home / 1,043,011.20-1,566,417.60-912,374.40

Finding the Fourth Proportional to 1,043,011.20, 1,566,417.60 and 912,374.40

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Solution

The fourth proportional to 1,043,011.20, 1,566,417.60 and 912,374.40 is: 1,370,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,011.20 : 1,566,417.60 = 912,374.40 : x
  2. Step 2: Convert to fraction form
    1,043,011.20/1,566,417.60 = 912,374.40/x
  3. Step 3: Cross multiply
    1,043,011.20x = 1,566,417.60 × 912,374.40
  4. Step 4: Simplify right side
    1,043,011.20x = 1,429,159,317,949.44
  5. Step 5: Solve for x
    x = 1,429,159,317,949.44/1,043,011.20
  6. Step 6: Final answer
    x = 1,370,224.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.